1.
Of six consecutive numbers, the sum of first three is 27. what is the average of next three ?
2.
100 million is equal to :
3.
What is the square root of 1444? If possible as a whole number.
4.
The ratio of two numbers is 7 : 8 and their H.C.F. is 4. What is their L.C.M. ?
5.
Which one of the following statements is correct ? The number 5340304332 is:
6.
Which of the following numbers is not divisible by 18 ?
7.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
9.
Two numbers are in the ratio 3 : 4. LCM of these numbers is 108. Is it possible to find the HCF of these numbers?
10.
How many prime numbers are there in the first 150 natural numbers?
11.
Using Vedic math, find the square of 9984.
12.
What is difference between − 37 and 63?
13.
To find the HCF of fractions, which of the given combinations we need to find ?
14.
What least number should be subtracted from 26492518 so that the resulting number is divisible by 3 but not by 9 ?
15.
What is the value of 128 ÷ 8 ÷ 4 ÷ 2 ?
16.
Which of the following numbers is not divisible by 18 ?
17.
What is the greatest number that exactly divides 105, 1008 and 2436 ?
18.
If the students of a class can be grouped exactly into 6, 8 or 10, then what is the minimum number of students in the class ?
19.
How many integers are there between -1 and 1 ?
20.
0.17 ÷ a² = 17. Find 'a'.
